From: Daniel DeLorme <dan-ml@...42.com>
Date: 2007-12-03T10:55:44+09:00
Subject: Re: Unicode in Regex

Greg Willits wrote:
> So, this   /^[a-zA-Z\xE4]*?&/u will validate that a string is allowed
> to have an ä in it. Perfect.

If that actually works, it means you are really using ISO-8859-1 
strings, not UTF-8.

> utf_accents =  '\xC0\xC1\xC2\.......'

Nope, that's not UTF-8. UTF-8 characters ÀÁÂ would look like
   utf_accents = "\xC3\x80\xC3\x81\xC3\x82..."

Dan